.table th {
    background-color: #f8f9fa;
}

.course-cell {
    padding: 8px;
    font-size: 0.9em;
    background-color: #e6f3ff;
}

.course-name {
    font-weight: bold;
    margin-bottom: 4px;
}

.course-code {
    color: #666;
    font-size: 0.8em;
}

.period-cell {
    background-color: #f8f9fa;
    font-weight: bold;
    text-align: center;
}

@media (max-width: 768px) {
    .course-cell {
        font-size: 0.8em;
    }
    
    .course-code {
        font-size: 0.7em;
    }
}